Milkweed and Monarch Butterfly Mania

Milkweed Symmetry

Scientists and mathematicians look for patterns in nature. One example of a pattern is symmetry.

Reflectional Symmetry is when one side of something is a mirror image of the other side. This is also called line symmetry or mirror symmetry.

Watch this great video explanation of line symmetry. off site

Look at the milkweed plant on the right.

Notice that the leaf labeled A looks exactly like the leaf labeled B.

B is a mirror image of A.

orange bullet There are two other examples of symmetry in the plant.
Can you spot them?
Examine it carefully.


As you explore Milkweed Mania, you will find several examples of reflectional symmetry. Be on the look out for them.

Next page Animals on Ascelpias

Milkweed & Monarch Butterfly Mania main page

Science Journal entry | Milkweed Puzzle

Watering milkweed spreadsheet activity

Collecting data - making observations


Milkweed plant viewed from above.

More about reflectional symmetry.

Reflectional Symmetry in the letters of the alphabet fun worksheet.

Extend your thinking about Symmetry

Measuring Milkweed leaves & Monarch caterpillars

Host plants

Plant Comparison Diagram Project

Measure surface area of milkweed leaf



ivy rule

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